Radiator core



ug- 14, 1934- K P. F. sPERY 1,969,824

RADIATOR CORE Filed July 2l, 1930 yumllll! @umu smmlrim s a f 1: e

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@poration of Delaware' rniimore Spera Chicz Ill-hws'isrimrf151!'rel11:Auto Radiator@omvangv The'present invention relates to radiator cores,`such as, those used inconnection withv the cooling systems of internalcombustionlmotorsf V`AmongV the` objects of the. invention, -is Itopro-A vide a novel :dvision-fplate :orspacer in the -air passage of. aradiatorxcoraewith: corrugations of;

different sizes and withthe bends thereof in stag-v gered-relation andso'disposed. thatthe openings may be located-'between opposed bends forthe passage of air inY a transverse direction; and with:

or without 'protuberances' opposite' such openings also designedtozengage thefadjacent side walls for deecting the air passing'therethrough.` Another .object4 of-y the invention is to provide such adevice- Without. narrowing the width of the-strip .or sheet of metalfromwhich' the. iivision'p'late or spacer is fashioned. This may beaccomplished by .shearing the plate at pointsY where theib'ends of-a.series .ofcorrugations extend in an opposite direction to Iadjacent.bends 20' of adjacent series of corrugations. f

such bends and the consequent narrowingof the,V

metal -s'tripJorsheet.` Also, by so shearing the sheet or strip at thepoints stated, openings ocg cur between the oppositely directedvadjacent bends. In this way, the core may be made from the same stripsof metal all having the same Widths, in lieu of using stripsof one widthfor the Water walls, and of another width for the air v3i); spacer.

In a specic embodiment illustrative of the invention, the spacer is madefrom a strip or ribbon of sheet metal, and is formed at each of itsopposite borders or margins, with a series of -relaj tively largecorrugations or zigzag formation, and along the middle of the strip isprovided a. series of protuberances alternately projecting in oppositedirections, and with the protuberances on each side located intransverse alinement with the bends of the border corrugations.Intermediately between the border corrugations andthe protuberances, areseries of smaller corrugations, such as about one-half or one-third ofthe vsize of the border corrugations and about twice or 4 5',- thrice innumber. Alternate bends of these smallof the sheet or strip, and alsoprovides for openings between the larger bends and the adjacent '.1 orcorresponding smaller bends of these corruga- `01.15 Water passages 0l'VChannels 1.

tions. Bydisposing the protuberances opposite these openings, the;airpassing through such open,- ings will bejdeilected-bya suchprotuberances.- g" f By also making the smaller corrugationswithsmalleraltitudesthan ofthe-larger corrugations, channels are Aprovided, along'reach side ofV the line ofthe smallercorrugations,v and between thepro-" v tuberances and the border fcorrugations7 whereby ilo'w of airalongthese channels maybe attained in addition to,l the streams-passingtransversely ,'between the protuberances. The protuberancesV are ofthe-water passageson each side of the-air passage'.Y f Other objects',advantages, capabilities,r `features-and process stepsfare comprehendedby the invention-as will later' appeary andas are inherently-possessedthereby` p I Referringtothe drawing; Fig.. 1 is afragmentaryelevationalview of a coreconstructed Vin accordance with` theinventlon."-"fV Fig. 2 is a sectional view taken in a plane :rep-`resented v.by-.line 2-f2in ;Fig. 3 of; the drawing;

Fig. -3 is a transverse sectional View taken in a plane represented byline 3-3 in Fig. 2 of .the

drawing; and

Fig. 4 is a plan view of a Vfragment of -a division plate or spacerconstructed in accordance with the invention.

Referring more in detail tothe drawing, the embodiment selected toillustrate the invention is shown in connection with a radiator coremade up of sections between which are provided tortu- Each sectioncomprises corrugated side walls, 2 and 3, between which the water passesfrom one end to the other end of the core. are suitably connectedtogether by joints such as lap-joints 4. At the margins of the walls 2and 3 are provided flared or belled portions 5, 6, r1 and 8 with theiianges 5 and '7 `ofthe walls 2 and 3 tting together on onek side ofthecore and the flanges 6 and 8 of these walls fitting togetheron theotherside of the core and all soldered together to seal the water channels.

The walls 3 and 2` of a section enclosesbetween them a. transverse air.passage 9. Within this air passage may be located the division plate orspacer above mentioned and'shown in vdetail in Fig. 4 of the drawing. Y

This spacer comprises series of large corrugations 10 and 1l at theborders or margins of the spacer strip. Along the middle of'thisstrip isalso provided a series of protuberanceslZ and 13 The ends of the walls 2`and 3 vtheradiator va honey-comb 'appearance; i!

having flat tops or apexes, such that theprothrough the tortuous passage1 and the air passes tuberances 12 extend or project from one sidetransversely through the air passages 9, part of of the plate and thealternate protuberances 13 the air stream passing through the openings20 extend or project from the otherv or opposite side and 20 and againstthe inclined surfaces 14 and 15 of the plate. Each protuberance has atits side of the protuberances so as to cause the airl stream inclinedWalls 14 and 15 disposed in line with the to be deflected and pass onboth sides of each bends 10 and 11 of themarginalfcqrrugations. ,-jggprotuberance, andsomaof`- the air maypass even Intermediate theprotuberances th"mar,l over'lthelsill t'cori-.ugations yinthe channelbeginal corrugations are disposed series of s rna l1e r `t\v ee r1 theprotuberances and the border `corrucorrugations 16 and` 17. Thesecorrugations are gations.. of smaller size and altitude than those of@regge-While I rhaveherein described and upon the border corrugations.In forming these corruga` drawingshown an illustrative embodiment of thetions the sheet metal is sheared at points` and nveiritio'n, it is to beunderstood that the latter 19 to form slits such thatthe5=bend s Q dqnetllimitedjf-tlieretob ut may comprehend other the large corrugationswillgextendzinlgnesidsre constructions, ;arrangements of parts, detailsand tion while the bends 16 and 17 of the smallerfeatumsfwithout-departing from the spirit therecorrugations will extendin the opposite directioripfm. and thus provide openings orholes2'0`f'and`20"'f`or" aving' thusdi's'closed the invention, I claim: thetransverse passage of air toward l tl'lejprptilf Imagradiator corehaving liquid passages and berances. The smaller c orrugations Will alsointermediate air passages, said liquid passages beprovideftwo otherbends 21m-22 -betweei-eachifqf in g'v-'of "llzigzr'ag'fs'hape'eaclrbendftl'iereot having the bends 16 ler1?, onefsideoffeachf1bend1^alsoj thelinnrs'ide bentsh'arplyand fthe outer side" being-a sideof thebend 1'7'A `o "16o he' opposite' at,adivisionplatebetweenlsaldliquidpassages side'of theplate. ciand-lformingfsaid air` passagesbetweenllt and said `A1311DrOtubelaIlCeS-*my bef'prov'ide with-"de-Zliquid!passages;saidplatefhavinga'iborder of zigpressions 23 adaptedtoregister'with projections z'a'gfshape;It1r1ebencls-otir said:` bordercontacting. 24 formed in the water. Walls 2I and 3'for1th'e' thebendsi-:o'saidlquid passagespthe part adjapurposel ofpositioningthe:spacer-platesainfthe centfsaidborderbeing-ofzigezagcshape;thebends4 air passage inA proper -relationWiththe 'water therecff.y beingi smalleriinssizeathan the border: wallsand also to aid -in Amaintaining' this relation bndsand fcertainof-`said smaller bendsrextencb between them. w v f ingimtheopposite`directionftov andfbeingvin' line It'will be noted thattheprotuberancesengage' with thefflargeribends,.said opposedzbends beingin staggered relation Withl theoppositewall's' 61'so-arrangd-'andl'constructedas tokprovide air the water passages insupporting and bracing' passagesftherebetween;the?center portion of saidrelation'. The resultfandeffect of thecorrugatedplate'beingtaalsoiofzfzigag shaperftheiapex and forms of the spacers andthevvater-WaHslistogive ends-*thereofx being-mat, Vthe apex contacting`'the flat". bends of- .-thezjfwaterf passages andjthe: ends- Inassembly the sectionsare` placedf together sloping-downtherefroinand'intowtheadjacent with the belled parts-,f'-f'and-18'inv engagement smalleribends tofform'abarrier 'fniarjeach4air pas-'f and the air spacers` -in'position'withth'e eprojcsage and todeect-substantiallyall theairpassf: tions 23 and 24freg`istering,f`andthen 'the aggira-f ingftherethrough-against-thesides ofthe water gateisdipped in molten solder to unite the belle' pas'sges aterrpasses"

